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LITAF is a potential tumor suppressor in pancreatic cancer.


ABSTRACT: Early diagnosis of pancreatic cancer, one of the most deadly cancers with low survival rates, is difficult, and effective biomarkers are urgently needed. Lipopolysaccharide-induced tumor necrosis factor-? factor (LITAF) has been recently proposed as a potential tumor suppressor gene in several types of cancer. Here, we analyzed the biological function of LITAF in pancreatic cancer. The LITAF gene and protein levels were decreased in pancreatic tumor tissues compared with their paired adjacent non-cancerous tissues. In addition, patients with the lower LITAF protein expression had lower disease-free survival rates. The decreased LITAF expression correlated with LITAF promoter hypermethylation in pancreatic cancer cells and tissues. Moreover, promoter demethylation dose-dependently increased the LITAF transcription. Importantly, LITAF demethylation suppressed proliferation and cell cycle progression, and enhanced apoptosis of pancreatic cancer cells. Together, our results indicate that LITAF functions as a tumor suppressor gene in pancreatic cancer cells, and might serve as a novel biomarker for early diagnosis of pancreatic cancer.

SUBMITTER: Zhou Y 

PROVIDER: S-EPMC5790452 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Early diagnosis of pancreatic cancer, one of the most deadly cancers with low survival rates, is difficult, and effective biomarkers are urgently needed. Lipopolysaccharide-induced tumor necrosis factor-α factor (<i>LITAF</i>) has been recently proposed as a potential tumor suppressor gene in several types of cancer. Here, we analyzed the biological function of <i>LITAF</i> in pancreatic cancer. The <i>LITAF</i> gene and protein levels were decreased in pancreatic tumor tissues compared with the  ...[more]

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